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    Valves

    CNC-Motorsports offers the best in valves by Ferrea and Manley. We offer everything for street performance to all out nitrous & turbo race engines.
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    1. MAN-11681-8 PART NUMBER
      LS Manley Extreme Duty Exhaust Valves 1.575 11681-8
      LS Manley Extreme Duty Exhaust Valves 1.575 11681-8
      $514.08
      Manley
      Add to Wish List
      LS1 and LS2 Chevy (LS-6 Head), Exhaust Valves, 1.575 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves. Learn More
    2. MAN-11683-8 PART NUMBER
      LS Manley Extreme Duty Exhaust Valves 1.600 11683-8
      LS Manley Extreme Duty Exhaust Valves 1.600 11683-8
      $514.08
      Manley
      Add to Wish List
      LS1 and LS2 Chevy (LS-6 Head), Exhaust Valves, 1.600 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves. Learn More
    3. MAN-11685-8 PART NUMBER
      LS Manley Extreme Duty Exhaust Valves 1.590 11685-8
      LS Manley Extreme Duty Exhaust Valves 1.590 11685-8
      $514.08
      Manley
      Add to Wish List
      LS3 and L92 Chevy (L99 Head), Exhaust Valves, 1.590 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves. Learn More
    4. MAN-11687-8 PART NUMBER
      LS Manley Extreme Duty Exhaust Valves 1.615 11687-8
      LS Manley Extreme Duty Exhaust Valves 1.615 11687-8
      $514.08
      Manley
      Add to Wish List
      Chevy LS7, Exhaust Valves, 1.615 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves. Learn More
    5. MAN-11599-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.600 11599-8
      SBC Manley Extreme Duty Exhaust Valves 1.600 11599-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, .050 Longer than Stock Height, Set of 8 Valves. Learn More
    6. MAN-11701-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.600 11701-8
      SBC Manley Extreme Duty Exhaust Valves 1.600 11701-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, .100 Longer than Stock Height, Set of 8 Valves. Learn More
    7. MAN-11705-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.600 11705-8
      SBC Manley Extreme Duty Exhaust Valves 1.600 11705-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, .200 Longer than Stock Height, Set of 8 Valves. Learn More
    8. MAN-11709-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.600 11709-8
      SBC Manley Extreme Duty Exhaust Valves 1.600 11709-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, .300 Longer than Stock Height, Set of 8 Valves. Learn More
    9. MAN-11711-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.600 11711-8
      SBC Manley Extreme Duty Exhaust Valves 1.600 11711-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.600 Head Diameter, .3415 Stem Diameter, .400 Longer than Stock Height, Set of 8 Valves. Learn More
    10. MAN-11713-8 PART NUMBER
      SBC Manley Extreme Duty Exhaust Valves 1.625 11713-8
      SBC Manley Extreme Duty Exhaust Valves 1.625 11713-8
      $514.08
      Manley
      Add to Wish List
      SB Chevy, Exhaust Valves, 1.625 Head Diameter, .3415 Stem Diameter, .100 Longer than Stock Height, Set of 8 Valves. Learn More

    Products (1-10 of 66)

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    1. Valve Series
      Extreme Duty
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    Gram Weight
    1. 102 1 item
    2. 103 1 item
    3. 106 1 item
    4. 108 1 item
    5. 110 2 items
    6. 111 2 items
    7. 112 2 items
    8. 113 1 item
    9. 131 1 item
    10. 133 4 items
    11. 136 4 items
    12. 138 1 item
    13. 139 1 item
    14. 140 5 items
    15. 142 2 items
    16. 143 2 items
    17. 144 1 item
    18. 145 1 item
    19. 146 1 item
    20. 149 1 item
    21. 153 1 item
    22. 156 1 item
    23. 160 1 item
    24. 165 1 item
    25. 166 1 item
    26. 168 1 item
    27. 169 1 item
    28. 171 1 item
    29. 46 2 items
    30. 47 2 items
    31. 48 2 items
    32. 68 2 items
    33. 70 2 items
    34. 74 1 item
    35. 94 1 item
    36. 95 1 item
    37. 96 1 item
    38. 97 1 item
    39. 98 1 item
    Installed Height
    1. .050 Longer 1 item
    2. .100 Longer 16 items
    3. .200 Longer 5 items
    4. .250 Longer 1 item
    5. .300 Longer 3 items
    6. .400 Longer 2 items
    7. .500 Longer 1 item
    8. Stock 34 items
    Stem Diameter
    1. 0.2150 (5.46mm) 2 items
    2. 0.2345 (5.96mm) 14 items
    3. 0.2735 1 item
    4. 0.3136 (8mm) 7 items
    5. 0.3415 1 item
    6. 0.3415m 23 items
    7. 0.3715m 8 items
    8. 0.3720 10 items
    Tip Length
    1. .160 4 items
    2. .175 2 items
    3. .220 14 items
    4. .250 16 items
    5. .290 11 items
    6. .305 3 items
    7. .320 3 items
    8. .380 2 items
    9. .395 2 items
    10. .480 1 item
    11. 2.16 mm 2 items
    12. 3.5 mm 2 items
    13. 3.75 mm 2 items
    Valve Head Diameter
    1. 1.300 1 item
    2. 1.560 1 item
    3. 1.575 1 item
    4. 1.590 3 items
    5. 1.600 7 items
    6. 1.615 1 item
    7. 1.625 4 items
    8. 1.800 1 item
    9. 1.880 6 items
    10. 1.900 7 items
    11. 1.940 5 items
    12. 1.950 2 items
    13. 2.000 1 item
    14. 2.065 1 item
    15. 2.190 3 items
    16. 2.250 3 items
    17. 2.300 3 items
    18. 30.0 mm 1 item
    19. 30.5 mm 1 item
    20. 31.0 mm 2 items
    21. 31.5 mm 2 items
    22. 32.0 mm 3 items
    23. 32.15 mm 1 item
    24. 33.0 mm 1 item
    25. 33.15 mm 1 item
    26. 37.5 mm 2 items
    27. 38.5 mm 2 items
    Overall Valve Length
    1. 104.75 mm 4 items
    2. 4.274 6 items
    3. 4.585 4 items
    4. 4.800 1 item
    5. 4.923 3 items
    6. 4.985 1 item
    7. 5.015 1 item
    8. 5.020 2 items
    9. 5.065 2 items
    10. 5.120 1 item
    11. 5.165 2 items
    12. 5.205 1 item
    13. 5.215 1 item
    14. 5.218 4 items
    15. 5.230 1 item
    16. 5.265 2 items
    17. 5.325 3 items
    18. 5.354 2 items
    19. 5.365 2 items
    20. 5.422 6 items
    21. 5.433 2 items
    22. 5.454 3 items
    23. 5.513 1 item
    24. 5.522 6 items
    25. 5.930 1 item
    26. 6.450 1 item
    27. 92.0 mm 2 items
    28. 5.208 1 item
    Valve Series
    1. 5000 Series 75 items
    2. 6000 Series 184 items
    3. Budget Performance 9 items
    4. Budget Replacment 4 items
    5. Competition Plus 267 items
    6. Competition Plus- Hollow Stem 71 items
    7. Extreme Duty 66 items
    8. Race Flo 154 items
    9. Race Master 292 items
    10. Severe Duty 189 items
    11. Severe Duty Pro Flo 54 items
    12. Street Flo 25 items
    13. Street Master 18 items
    14. Super Alloy 55 items
    15. Titanium 427 items
    16. Pro Flo 1 item
    Valve Type
    1. Exhaust 56 items
    2. Intake 10 items
    Vehicle Make
    1. Acura 1 item
    2. BB Chevy 29 items
    3. Chevy LS 6 items
    4. Chevy LT 1 item
    5. Ford 4 Cylinder 2 items
    6. Ford Coyote 6 items
    7. Ford Modular 4 items
    8. GM 1 item
    9. Nissan 2 items
    10. SB Chevy 9 items
    11. Subaru EJ205 2 items
    12. Subaru EJ257 2 items
    13. Top Fuel 3 items
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